| 准噶尔盆地南缘天然气成因与成藏解剖 |
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| 引用本文： | 李延钧,王廷栋,张艳云,陈世加,王绪龙.准噶尔盆地南缘天然气成因与成藏解剖[J].沉积学报,2004,22(3):529-534. |
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| 作者姓名： | 李延钧 王廷栋 张艳云 陈世加 王绪龙 |
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| 作者单位： | 1. 西南石油学院资源环境学院,成都,610500
2. 中国石油新疆油田勘探开发科学研究院,新疆克拉玛依,841000 |
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| 基金项目： | 四川省重点学科建设项目 |
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| 摘 要： | 利用全烃地球化学方法,结合准噶尔盆地南缘三排构造特点,在确认油气源和天然气成因的基础上,对呼图壁气田、吐谷鲁和齐古油气田进行了成藏历史分析和解剖.研究表明各构造带不仅捕获了喜山期侏罗系高熟煤成气,这是该区天然气成藏的关键,而且还聚集有燕山期侏罗系低成熟-成熟阶段的油气,但不同构造带对这一阶段的油气的聚集量、方式和保存作用不同,第一排构造直接捕获大量侏罗系低成熟-成熟油气,但天然气的散失严重;第二、三排构造存在白垩系-下第三系中转侏罗系低成熟-成熟油气的特征.最后阐述了准噶尔盆地南缘进一步寻找天然气的勘探方向.
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| 关 键 词： | 地球化学 天然气成因 油气成藏 煤成气 侏罗系 准噶尔盆地南缘 准噶尔 盆地南缘 天然气成藏 解剖 Junggar Basin Margin South Formation Genesis 勘探方向 阐述 特征 第三系 白垩系 存在 严重 直接捕获 构造带 保存作用 聚集量 |
| 文章编号： | 1000-0550(2004)03-0529-06 |
| 修稿时间： | 2003年7月15日 |
Natural Gas Genesis and Formation of Gas Pools in the South Margin of Junggar Basin |
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| LI Yan-jun,WANG Ting-dong,ZHANG Yan-yun,CHEN Shi-jia,WANG Xu-long.Natural Gas Genesis and Formation of Gas Pools in the South Margin of Junggar Basin[J].Acta Sedimentologica Sinica,2004,22(3):529-534. |
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| Authors: | LI Yan-jun WANG Ting-dong ZHANG Yan-yun CHEN Shi-jia WANG Xu-long |
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| Institution: | LI Yan-jun 1 WANG Ting-dong 1 ZHANG Yan-yun 1 CHEN Shi-jia 1 WANG Xu-long 2 1 |
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| Abstract: | By using the whole hydrocarbon geochemistry method, combined with the three row structures characteristics in the south margin of Junggar basin, based on the oil-gas sources and the natural gas genesis, the formation history of oil-gas pools in Hutubi, Tugulu and Qigu has been analysed deeply. It is ascertained that the each row structure not only succeeded in catching the Xishan period high mature coal-measure gas in Jurassic, which is the key to form gas pools, but also gathering the Yanshan period low and mature stage oil-gas from Jurassic, but the gathering measures, catching ways and preserving conditions are different for this stage of oil-gas in different structures, the first row structure succeeds in catching the large quantity low and mature oil-gas from Jurassic, but natural gas loss is serious; The second and third row structure exist the middle-turn low and mature Jurassic oil-gas from Cretaceous-Jurassic floors. The article finally points out the exploration direction of gas pools in the south margin of Junggar basin. |
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| Keywords: | geochemistry natural gas genesis oil-gas pools formation coal-measure gas Jurassic south margin of Junggar basin |
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